Display screen or portion thereof with graphical user interface



FIG. 1 is a front view of a display screen or portion thereof withgraphical user interface, showing my new design; and,

FIG. 2 is a front view thereof, in which a mobile terminal in brokenlines is provided to illustrate an example environment.

The broken lines illustrating portions of the display screen or portionthereof with graphical user interface are for environmental purposesonly and form no part of the claimed design.

CLAIM The ornamental design for a display screen or portion thereof withgraphical user interface, as shown and described.